I was participating in a public event on Destiny 2, when out of no where a Fallen Ship, hits me and phases right through the floor. It then proceded to leave the floor, drop more enemies off, then flew away, after running into another ship.
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I remember fallen ships hitting each other in D1 and some wacky physics as a result. I know it's probably the result of a coding oversight, but I like that stuff, it's like getting outside the map.